CN2390716Y - Demoulding ejecting spring apparatus - Google Patents
Demoulding ejecting spring apparatus Download PDFInfo
- Publication number
- CN2390716Y CN2390716Y CN 99227652 CN99227652U CN2390716Y CN 2390716 Y CN2390716 Y CN 2390716Y CN 99227652 CN99227652 CN 99227652 CN 99227652 U CN99227652 U CN 99227652U CN 2390716 Y CN2390716 Y CN 2390716Y
- Authority
- CN
- China
- Prior art keywords
- positioning sleeve
- butterfly spring
- spring sheet
- butterfly
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a material demoulding spring apparatus for cold rolling processing work. Both ends of a locating sleeve are respectively provided with a protuberant annular locating edge; a pressure buffering tank is cut and penetrated on the locating sleeve to cause the locating edge to be sheathed in an internal diameter of a butterfly-shaped spring tab as the tank distance narrowing of the pressure buffering tank; the locating edge relapses to form a frame fixing structure of the butterfly-shaped spring tab; due to the frame fixing structure formed by the locating sleeve and the butterfly-shaped spring tab, the butterfly-shaped spring tab can not shed out of the locating sleeve. The utility model can cause the butterfly-shaped spring tab to have a great locating function, which can disassemble pressing dies conveniently and simply.
Description
The utility model relates to a kind of mechanical stamping facility, and the mould that especially relates to a kind of cold rolling processing operation takes off the material spring assembly.
Present mould takes off the material spring assembly, consult Fig. 4, Fig. 5, Fig. 6, folder is with traditional compression spring 90 between clamping plate 30 and stripper plate 60, and by the 50 locking upper padding plates 20 of the pilot pin in the hollow sleeve 80, clamping plate 30, stripper plate 60, the outer radius of hollow sleeve 80 is with compression spring 90, and it is located between clamping plate 30 and the stripper plate 60, makes it when receiving punching press external force, accumulateing immediately has the elasticity of answer strength, makes it help the material that takes off of stripper plate 60 to move.Though compression spring 90 has preferable adaptability to changes, but relatively also be easy to generate elastic fatigue, and compression spring 90 is after bearing mould punching press action repeatedly, to cause the material action of taking off of mould to produce delay phenomenon, so someone then replaces traditional compression spring 90 with butterfly spring sheet 70 in addition, to guarantee taking off the material action and taking off the material time accurately of diel, follow-up punching press action is exerted an influence to avoid its delay phenomenon.Yet butterfly spring sheet 70 is on being enclosed within hollow sleeve 80 time, needs a plurality of butterfly spring sheets 70 being nested with wherein one by one renderd a service to condense preferable elasticity.If this, in tearing open, unloading diel, because of butterfly spring sheet 70 is passed through by hollow sleeve 80 and relative the inserting and putting of clamping plate 30 and stripper plate 60 is played positioning action, so when clamping plate 30 separate with stripper plate 60, hollow sleeve 80 can't in addition frame be solid with butterfly spring sheet 70, thereby cause many butterfly spring sheets 70 to be scattered, that will perplex diel tears, unloads process open, and effective location structure can not be provided.
The purpose of this utility model provides a kind of butterfly spring sheet that makes and has the preferred positioning function, and the mould of dismantling diel conveniently, quickly and easily takes off the material spring assembly.
The purpose of this utility model is achieved in that mould takes off the material spring assembly, it is at upper bolster, upper padding plate, have relative through hole on the clamping plate, this through hole just can place for a pilot pin that is with positioning sleeve, and the top of this pilot pin falls in the counterbore of upper bolster, the upper padding plate through hole has a summary large aperture with the relative position of clamping plate through hole and positioning sleeve is held wherein, the clamping plate through hole has a counterbore that just can cover the butterfly spring sheet at the end with respect to stripper plate, the positioning sleeve external diameter is with a plurality of butterfly spring sheets, the positioning sleeve internal diameter bolt that is positioned places, the screw thread of pilot pin end and the screw of stripper plate match to lock and put, positioning sleeve has the flexible ring wall of compression, the two ends of positioning sleeve have the location edge of prominent ring-type respectively, the external diameter of location edge is slightly larger than the internal diameter of butterfly spring sheet, the external diameter of positioning sleeve is slightly less than the internal diameter of butterfly spring sheet, vertically cut open on the cylinder of positioning sleeve and wear one and make the c-shaped slow indent of positioning sleeve lateral cross section, to provide positioning sleeve radially between the strain regions during pressurized, thereby make the location edge can dwindling with slow indent slot pitch until the internal diameter that is inserted in the butterfly spring sheet, promptly form the frame fixing structure of butterfly spring sheet after the edge reinstatement to be positioned, make that the butterfly spring sheet is unlikely to come off outside positioning sleeve.
The utility model on the basis that has kept prior art, has increased the frame fixing structure to the butterfly spring sheet owing to adopt technique scheme, makes that the butterfly spring sheet is unlikely to come off outside positioning sleeve, convenient, simple and direct dismounting to diel.
Below in conjunction with drawings and Examples the specific embodiment of the present utility model is described in further detail.
Fig. 1 is that structure of the present utility model is launched schematic diagram.
Fig. 2 is a cutaway view of the present utility model.
Fig. 3 is a stress cutaway view of the present utility model.
Fig. 4 launches schematic diagram for prior art.
Fig. 5 is the prior art cutaway view.
Fig. 6 launches schematic diagram for another prior art.
With reference to Fig. 1, Fig. 2, Fig. 3, the utility model is at upper bolster 10, upper padding plate 20, have relative through hole 11 on the clamping plate 30,21,31, this through hole 11,21,31 just can place for a pilot pin 50 that is with positioning sleeve 40, and the top 51 of this pilot pin 50 falls in the through hole 11 of upper bolster 10, upper padding plate 20 through holes 21 have a summary large aperture with the relative position of clamping plate 30 through holes 31 and positioning sleeve 40 are held wherein, clamping plate 30 through holes 31 have a counterbore that just can cover butterfly spring sheet 70 at the end with respect to stripper plate 60, positioning sleeve 40 external diameters are with a plurality of butterfly spring sheets 70, the positioning sleeve 40 internal diameters bolt 50 that is positioned places, the screw thread 52 of pilot pin 50 ends matches to lock with the screw 61 of stripper plate 60 and puts, this positioning sleeve 40 has the flexible ring wall of compression, the two ends of positioning sleeve 40 have the location edge 41 of prominent ring-type respectively, the external diameter of location edge 41 is slightly larger than the internal diameter of butterfly spring sheet 70, the external diameter of positioning sleeve 40 is slightly less than the internal diameter of butterfly spring sheet 70, vertically cut open on the cylinder of positioning sleeve 40 and wear one and make the c-shaped slow indent 42 of positioning sleeve 40 lateral cross section, to provide positioning sleeve 40 radially between the strain regions during pressurized, thereby make the location edge 41 can dwindling with slow indent 42 slot pitches until the internal diameter that is inserted in butterfly spring sheet 70, promptly form the frame fixing structure of butterfly spring sheet 70 after edge 41 reinstatements to be positioned, make butterfly spring sheet 70 unlikely coming off outside positioning sleeve 40.
The utility model is rely the formed location edge 41 at the two ends of positioning sleeve 40 and position limiting structure is provided for butterfly spring sheet 70, and because of on positioning sleeve 40, being provided with slow indent 42, along with the external force effect that radially is subjected to of this slow indent 42 is dwindled the slot pitch on it, thereby cause reducing of positioning sleeve 40 diameters, just positioning sleeve 40 can be inserted in the internal diameter of butterfly spring sheet 70, and the butterfly spring sheet 70 that is set on positioning sleeve 40 external diameters is acted between clamping plate 30 and the stripper plate 60, and must think that mould can discharge to contain when being subjected to stamping press takes off material elastic force; Rely positioning sleeve 40 and butterfly spring sheet 70 formed frame fixing structures make butterfly spring sheet 70 unlikely coming off outside positioning sleeve 40, also the whole assembling and dismantling of taking off the material spring for diel unload provide one simply, structure easily.
Claims (1)
- Mould takes off the material spring assembly, it is at upper bolster, upper padding plate, have relative through hole on the clamping plate, this through hole just can place for a pilot pin that is with positioning sleeve, and the top of this pilot pin falls in the counterbore of upper bolster, the upper padding plate through hole has a summary large aperture with the relative position of clamping plate through hole and positioning sleeve is held wherein, the clamping plate through hole has a counterbore that just can cover the butterfly spring sheet at the end with respect to stripper plate, the positioning sleeve external diameter is with a plurality of butterfly spring sheets, the positioning sleeve internal diameter bolt that is positioned places, the screw thread of pilot pin end and the screw of stripper plate match to lock and put, it is characterized in that: positioning sleeve has the flexible ring wall of compression, the two ends of positioning sleeve have the location edge of prominent ring-type respectively, the external diameter of location edge is slightly larger than the internal diameter of butterfly spring sheet, the external diameter of positioning sleeve is slightly less than the internal diameter of butterfly spring sheet, vertically cut open on the cylinder of positioning sleeve and wear one and make the c-shaped slow indent of positioning sleeve lateral cross section, to provide positioning sleeve radially between the strain regions during pressurized, thereby make the location edge can dwindling with slow indent slot pitch until the internal diameter that is inserted in the butterfly spring sheet, promptly form the frame fixing structure of butterfly spring sheet after the edge reinstatement to be positioned, make that the butterfly spring sheet is unlikely to come off outside positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227652 CN2390716Y (en) | 1999-06-23 | 1999-06-23 | Demoulding ejecting spring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99227652 CN2390716Y (en) | 1999-06-23 | 1999-06-23 | Demoulding ejecting spring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2390716Y true CN2390716Y (en) | 2000-08-09 |
Family
ID=34017135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99227652 Expired - Fee Related CN2390716Y (en) | 1999-06-23 | 1999-06-23 | Demoulding ejecting spring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2390716Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829738A (en) * | 2010-04-23 | 2010-09-15 | 中国印钞造币总公司 | Vertical marking press stamping ejector |
| CN102500717A (en) * | 2011-10-20 | 2012-06-20 | 奇瑞汽车股份有限公司 | Ejection device |
| CN102773366A (en) * | 2012-07-20 | 2012-11-14 | 宁波鸿达电机模具有限公司 | Combined type elastic discharge unit |
-
1999
- 1999-06-23 CN CN 99227652 patent/CN2390716Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101829738A (en) * | 2010-04-23 | 2010-09-15 | 中国印钞造币总公司 | Vertical marking press stamping ejector |
| CN101829738B (en) * | 2010-04-23 | 2011-12-28 | 中国印钞造币总公司 | Vertical marking press stamping ejector |
| CN102500717A (en) * | 2011-10-20 | 2012-06-20 | 奇瑞汽车股份有限公司 | Ejection device |
| CN102773366A (en) * | 2012-07-20 | 2012-11-14 | 宁波鸿达电机模具有限公司 | Combined type elastic discharge unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |